Aberdeen climbed to third with a 4-1 win over St Mirren this afternoon.
Johnny Hayes and Niall McGinn put the visitors 2-0 up at half-time, while Chris Clark and Mark Reynolds got goals in the last five minutes. Steven Thompson put away a consolation goal for St Mirren in the 88th minute.
A last minute penalty gave Hearts a vital point at Inverness. Owain Tudor-Jones put Inverness ahead before Marius Zaliukas equalised from the spot in the final minute of normal time.
Motherwell and Dundee also played out a 1-1 draw, with goals from Michael Higdon and Nicky Riley.
Kilmarnock beat Ross County with three goals in 16 minutes in the second half, including a brace from Paul Heddernan.
Results in full: Inverness 1-1 Hearts, Kilmarnock 3-0 Ross County, Motherwell 1-1 Dundee, St Mirren 1-4 Aberdeen